Harry Julius Shearer (born December 23, 1943) is an American actor, comedian, musician, radio host, writer, and producer. Born in Los Angeles, California, Shearer began his career as a child actor. From 1969 to 1976, Shearer was a member of The Credibility Gap, a radio comedy group. Following the breakup of the group, Shearer co-wrote the film Real Life (1979) with Albert Brooks and worked as a writer on Martin Mull's television series Fernwood 2 Night. Shearer was a cast member on Saturday Night Live between 1979 and 1980, and 1984 and 1985.
https://en.wikipedia.org/wiki/Harry_Shearer